Home / 351,434.38-484,979.74-190,289.52

Finding the Fourth Proportional to 351,434.38, 484,979.74 and 190,289.52

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Solution

The fourth proportional to 351,434.38, 484,979.74 and 190,289.52 is: 262,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,434.38 : 484,979.74 = 190,289.52 : x
  2. Step 2: Convert to fraction form
    351,434.38/484,979.74 = 190,289.52/x
  3. Step 3: Cross multiply
    351,434.38x = 484,979.74 × 190,289.52
  4. Step 4: Simplify right side
    351,434.38x = 92,286,561,934.32
  5. Step 5: Solve for x
    x = 92,286,561,934.32/351,434.38
  6. Step 6: Final answer
    x = 262,599.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.